<!doctype html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <title>Demo</title>
  <link rel="stylesheet" href="/css/iconfont.css">
  <link rel="stylesheet" href="/css/index.css">
  <style>
    body {
      margin: 0;
      padding: 0;
    }
    #threeContainer{
      width: 100%;
      height: 100vh;
    }
  </style>
</head>
<body>
<div id="threeContainer"></div>
</body>
</html>
